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Text: #!/usr/bin/env python # -*- coding: utf8 -*- # # Copyright: Odd Stråbø <oddstr13 at openshell dot no> # License: MIT - http://opensource.org/licenses/MIT # Description: This is a simple https://ukhas.net node for RPi. # It uploads CPU temperature. # Modified: 2015-10-19 # import time from decimal import Decimal as dec import requests # Disable insecure platform warning for requests import requests.packages.urllib3 requests.packages.urllib3.disable_warnings() NAME = "OSPi1" DELAY = 60 UKHASNET_API_UPLOAD = "https://ukhas.net/api/upload" TEMPERATURE_FILE = "/sys/devices/virtual/thermal/thermal_zone0/temp" types = { "temperature": { "encode": lambda x: 'T' + str(x) }, "zombie": { "encode": lambda x: 'Z' + str(int(x)) } } def getTemp(): return dec(open(TEMPERATURE_FILE).read()) / 1000 class Node(object): name = None seq = -1 ttl = 3 def __init__(self, name): if len(name) > 16: raise ValueError("Max Node ID length is 16 bytes.") self.name = name def getSequence(self): """Returns sequence character, and increment it.""" c = chr(98 + self.seq) self.seq += 1 self.seq %= 25 return c def getTTL(self): """Returns TTL as string.""" return str(min(self.ttl, 9)) def getName(self): """Returns node name(ID).""" return self.name def send(self, **data): """Uploads packet to UKHASnet.""" packet = [] packet.append( self.getTTL() ) packet.append( self.getSequence() ) for type, value in data.items(): packet.append( types.get(type).get("encode")(value) ) packet.append( '[' ) packet.append( self.getName() ) packet.append( ']' ) print(''.join(packet)) res = requests.post(UKHASNET_API_UPLOAD, { 'origin': self.getName(), 'data': ''.join(packet) }) print(res.text) return res.json().get("result") if __name__ == "__main__": me = Node(NAME) while True: me.send(zombie=True, temperature=getTemp()) time.sleep(DELAY)